Jack is an unincorporated community in Coffee County, Alabama, United States. Jack is located on Alabama State Route 87, 11.7 miles north-northeast of Elba. Jack has a post office with ZIP code 36346. Jack has a single K-12 school, Zion Chapel. There are 1,379 residents in Jack, with a median age of 44.9. Of this, 46.56% are males and 53.44% are females. A total of 1,175 people in Jack currently live in the same house as they did last year.